test/jdk/sun/java2d/DirectX/SwingOnScreenScrollingTest/SwingOnScreenScrollingTest.java
changeset 47216 71c04702a3d5
parent 39056 d99e63b6d962
child 49217 3b820b878ebe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/java2d/DirectX/SwingOnScreenScrollingTest/SwingOnScreenScrollingTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+/*
+ * @test
+ * @key headful
+ * @bug 6630702
+ * @summary Tests that scrolling after paint() is performed correctly.
+ *          This is really only applicable to Vista
+ * @author Dmitri.Trembovetski@sun.com: area=Graphics
+ * @run main/othervm SwingOnScreenScrollingTest
+ * run main/othervm -Dsun.java2d.opengl=True SwingOnScreenScrollingTest
+ */
+
+import java.awt.AWTException;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Graphics;
+import java.awt.GraphicsEnvironment;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.lang.reflect.InvocationTargetException;
+import javax.imageio.ImageIO;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+
+public class SwingOnScreenScrollingTest extends JPanel {
+
+    static JScrollPane pane;
+    static SwingOnScreenScrollingTest test;
+
+    public SwingOnScreenScrollingTest() {
+    }
+
+    public static void main(String[] args) {
+        int size = GraphicsEnvironment.
+            getLocalGraphicsEnvironment().
+                getDefaultScreenDevice().
+                    getDefaultConfiguration().getColorModel().getPixelSize();
+        if (size < 16) {
+            System.err.println("<16 bit display mode detected. Test PASSED");
+            return;
+        }
+
+        final JFrame f = new JFrame("SwingOnScreenScrollingTest");
+        try {
+            EventQueue.invokeAndWait(new Runnable() {
+                public void run() {
+                    test = new SwingOnScreenScrollingTest();
+                    pane = new JScrollPane(test);
+                    f.add(pane);
+                    f.pack();
+                    f.setSize(100, 200);
+                    f.setVisible(true);
+                }
+            });
+        } catch (InvocationTargetException ex) {
+            ex.printStackTrace();
+        } catch (InterruptedException ex) {
+            ex.printStackTrace();
+        }
+        try {
+            Thread.sleep(500);
+        } catch (InterruptedException ex) {
+            ex.printStackTrace();
+        }
+        EventQueue.invokeLater(new Runnable() {
+            public void run() {
+                BufferedImage bi;
+                bi = new BufferedImage(100, 300,
+                                       BufferedImage.TYPE_INT_RGB);
+                Graphics gg = bi.getGraphics();
+                test.paint(gg);
+                for (int y = 80; y < 200; y +=10) {
+                    test.scrollRectToVisible(new Rectangle(0, y, 100, 100));
+                    try {
+                        Thread.sleep(200);
+                    } catch (InterruptedException ex) {
+                        ex.printStackTrace();
+                    }
+                }
+                Point p = pane.getViewport().getLocationOnScreen();
+                Robot r = null;
+                try {
+                    r = new Robot();
+                } catch (AWTException ex) {
+                    throw new RuntimeException(ex);
+                }
+                bi = r.createScreenCapture(new Rectangle(p.x+5, p.y+5, 30, 30));
+                for (int y = 0; y < bi.getHeight(); y++) {
+                    for (int x = 0; x < bi.getHeight(); x++) {
+                        int rgb = bi.getRGB(x, y);
+                        if (bi.getRGB(x, y) != Color.red.getRGB()) {
+                            System.err.printf("Test Failed at (%d,%d) c=0x%x\n",
+                                              x, y, rgb);
+                            try {
+                                String name =
+                                    "SwingOnScreenScrollingTest_out.png";
+                                ImageIO.write(bi, "png", new File(name));
+                                System.err.println("Wrote grabbed image to "+
+                                                   name);
+                            } catch (Throwable ex) {}
+                            throw new RuntimeException("Test failed");
+                        }
+                    }
+                }
+                System.out.println("Test PASSED.");
+                f.dispose();
+            }
+        });
+    }
+
+    protected void paintComponent(Graphics g) {
+        g.setColor(Color.green);
+        g.fillRect(0, 0, getWidth(), 100);
+        g.setColor(Color.red);
+        g.fillRect(0, 100, getWidth(), getHeight()-100);
+    }
+
+    public Dimension getPreferredSize() {
+        return new Dimension(100, 300);
+    }
+}